Extech Instruments EX330 User Manual

Extech Instruments EX330 User Manual

Mini multimeter with non-contact voltage detector (ncv)
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User Guide
Mini Multimeter
with Non-Contact Voltage Detector (NCV)
Model EX330

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Summary of Contents for Extech Instruments EX330

  • Page 1 User Guide Mini Multimeter with Non-Contact Voltage Detector (NCV) Model EX330...
  • Page 2: Safety Instructions

    Introduction Congratulations on your purchase of the Extech EX330 Meter. The EX330 offers AC/DC Voltage, AC/DC Current, Resistance, Diode, Continuity, non-contact Voltage Detection, Capacitance, Frequency, Duty Cycle, and Temperature (Type K) functions. Proper use and care of this meter will provide many years of reliable service.
  • Page 3  Expired or damaged batteries can cause cauterization on contact with the skin. Always, therefore, use suitable hand gloves in such cases  See that the batteries are not short-circuited. Do not throw batteries into the fire. EX330-EN v5.0 06/14...
  • Page 4: Controls And Jacks

    ) (ohms) Farads (capacitance)  mega (10 ) (ohms) Ohms Hertz (frequency) Volts Percent (duty ratio) Relative Alternating current AUTO Autoranging Direct current HOLD Display hold ºF Degrees Fahrenheit ºC Degrees Centigrade •))) Continuity Diode test Battery status EX330-EN v5.0 06/14...
  • Page 5: Non-Contact Ac Voltage Detector

    NON-CONTACT AC VOLTAGE DETECTOR The EX330 can detect the presence of AC voltage (from 100 to 600VAC) simply by being held very near to a voltage source. WARNING: Test the AC voltage detector on a known live circuit before each use.
  • Page 6: Ac Voltage Measurements

    Insert the red test lead banana plug into the positive V jack. Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit. Read the voltage in the display. EX330-EN v5.0 06/14...
  • Page 7: Ac / Dc Current Measurements

    Touch the test probe tips across the circuit or component under test. It is best to disconnect one side of the circuit under test so the rest of the circuit will not interfere with the resistance reading. Read the resistance in the display. EX330-EN v5.0 06/14...
  • Page 8: Continuity Check

    Touch the test leads to the capacitor to be tested. The test may take up to 3 minutes or more for large capacitors to charge. Wait until the readings settle before ending the test. Read the capacitance value in the display EX330-EN v5.0 06/14...
  • Page 9: Frequency Measurements

    Press RANGE to step through the available ranges until the desired range is selected. To exit the Manual Ranging mode and return to Auto Range, press and hold the RANGE key for 2 seconds. Note: Manual range does not apply to Capacitance, Frequency or Temperature modes. EX330-EN v5.0 06/14...
  • Page 10: Relative Mode

    USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE. Remove old or weak batteries so they do not leak and damage the unit. IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME, the batteries should be removed to prevent damage to the unit. EX330-EN v5.0 06/14...
  • Page 11: Low Battery Indication

    WARNING: To avoid electric shock, do not operate the meter until the batteries and the fuses are in place and fastened securely. 1. Removable Rubber Holster 2. Meter 3. Battery 4. Fuses 5. Compartment Cover 6. Rubber Holster EX330-EN v5.0 06/14...
  • Page 12: Replacing The Fuses

    0.01A (2.5% reading + 5 digits) AC Current (1.5% reading + 5 digits) 400A 0.1A (A AC) 4000A 1A (50 / 60Hz) (1.8% reading + 5 digits) 40mA 0.01mA 400mA 0.1mA 0.01A (3.0% reading + 7 digits) EX330-EN v5.0 06/14...
  • Page 13 Accuracy is stated at 65 F to 83 F (18 C to 28 C) and less than 75% RH. UL LISTED The UL mark does not indicate that this product has been evaluated for the accuracy of its readings. EX330-EN v5.0 06/14...
  • Page 14: General Specifications

    Note – Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation. OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation. Note – Examples include electricity meters and primary over-current protection equipment EX330-EN v5.0 06/14...
  • Page 15: Warranty

    Annual  calibrations  should  be  performed  to  verify  meter  performance  and  accuracy.  Technical  support  and  general  customer  service is also provided, refer to the contact information provided below.  Support Lines: U.S. (877) 439‐8324; International: +1 (603) 324‐7800  Technical Support: Option 3; E‐mail: support@extech.com  Repair & Returns: Option 4; E‐mail: repair@extech.com  Product specifications are subject to change without notice  Please visit our website for the most up‐to‐date information  www.extech.com  FLIR Commercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA   ISO 9001 Certified    Copyright © 2014 FLIR Systems, Inc.  All rights reserved including the right of reproduction in whole or in part in any form  www.extech.com     EX330-EN v5.0 06/14...
  • Page 16: Garantie

    Contactez  notre  service  client  pour  toute  information  sur  les  services  de  calibrage disponibles pour ce produit. Un calibrage doit être effectué chaque année pour vérifier les  performances  et  la  précision  du  mètre.  Nous  offrons  également  une  assistance  technique  et  un  service à la clientèle. Veuillez vous reporter aux coordonnées fournies ci‐dessous.  Lignes d’assistance: États‐Unis (877) 439‐8324; international: +1 (603) 324‐7800  Service d’assistance technique : Option 3 ; E‐mail : support@extech.com  Réparations et retours : Option 4 ; E‐mail : repair@extech.com  Les spécifications produit sont sujettes à modifications sans préavis.  Pour les toutes dernières informations, veuillez visiter notre site Web.  www.extech.com  FLIR Commercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA  Certifié ISO 9001    Copyright © 2014 FLIR Systems, Inc.  Tous droits réservés, y compris la reproduction partielle ou totale sous quelque forme que ce soit.  www.extech.com  EX330-EN v5.0 06/14...
  • Page 17 Llame  al  Departamento  de  Servicio  al  Cliente  para  solicitar  información  de  calibración  para  este  producto. Para verificar el funcionamiento y precisión se debe realizar la calibración anual. Además  se provee Soporte Técnico y servicios generales al cliente, consulte la información de contacto en  seguida.      Líneas de soporte: EE.UU. (877) 439‐8324; Internacional: +1 (603) 324‐7800      Soporte Técnico Opción 3; correo electrónico: support@extech.com      Reparación / Devoluciones: Opción 4; correo electrónico: repair@extech.com    Las especificaciones del producto están sujetas a cambios sin aviso      Por favor visite nuestra página en Internet para la información más actualizada    www.extech.com      FLIR Commercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA    Certificado ISO 9001        Copyright © 2014 FLIR Systems, Inc.    Reservados todos los derechos, incluyendo el derecho de reproducción total o parcial en cualquier medio www.extech.com  EX330-EN v5.0 06/14...

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